This name is a synonym of Sambucus ebulus subsp. africana (Engl.) Bolli.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50009469) with original publication details: Ann. Bot. (Oxford) 18(72): 537 1904.
This name was in version 1 of The Plant List, record tro-50009469.